#421C10#421C10

#421C10 is a dark, moderate red. Relative luminance 0.020; OKLCH L 27.9% C 0.063 H 38.1°. Best body text is #FFFFFF at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#421C10
RGB	rgb(66, 28, 16)
HSL	hsl(14, 61%, 16%)
HSV	hsv(14, 76%, 26%)
CMYK	cmyk(0%, 57.6%, 75.8%, 74.1%)
CIE-LAB	lab(15.63, 17.29, 16.41)
CIE-LCH	lch(15.63, 23.84, 43.51°)
OKLab	oklab(27.92% 0.0493 0.0387)
OKLCH	oklch(27.92% 0.063 38.1)
XYZ	xyz(2.7558, 2.0265, 0.7361)
Luminance	0.0203 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C10 #103642

analogous

#42101D #421C10 #423510

triadic

#421C10 #10421C #1C1042

tetradic

#421C10 #1D4210 #103642 #351042

square

#421C10 #1D4210 #103642 #351042

split-complementary

#421C10 #104235 #101D42

monochromatic

#190A06 #190A06 #421C10 #73311C #A54628

Accessibility & contrast

On white

14.94

#421C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#421C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C10

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C10	#FFFFFF	#000000	##FFFFFF
##421C10	1.00	14.94	1.41	14.94
#FFFFFF	14.94	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26220F

Deuteranopia (green-blind)

#2F2A0F

Tritanopia (blue-blind)

#491519

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #421c10;
/* rgb */ color: rgb(66, 28, 16);
/* oklch */ color: oklch(27.9% 0.063 38.1);

Tailwind

colors: {
  custom: {
    50: '#7a594e',
    500: '#421c10',
    950: '#000000',
  },
}

SCSS

$custom: #421c10;
$custom-light: #7a594e;
$custom-dark: #000000;

JSON

{
  "hex": "#421c10",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 16
  },
  "hsl": {
    "h": 14.4,
    "s": 60.976,
    "l": 16.078
  },
  "oklch": {
    "l": 0.27915,
    "c": 0.06273,
    "h": 38.1
  },
  "luminance": 0.02026
}

Semantic roles & 50–950 ramp

primary

#421C10

secondary

#326A7C

accent

#BEE444

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #421C10

Body copy rendered with the generated semantic roles for this colour.

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